<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <title>调用函数</title>
</head>
<body>
  <p>第四章介绍了事件处理程序如何按名称调用函数。</p>
  <script type="text/javascript">
    function greeting(sName){
      alert("hello "+sName+"!");
    }
    greeting("c.Blance");
  </script>
</body>
</html>
